Orion System PREHEAT-X - Manual (Page 16)

LCD DISPLAY SCREENS
PREHEAT-X Technical Guide 16
Setpoint Screens
Refer to the following map when navigating through the Set-
point Screens. From the SETPOINTS Screen, press
to scroll through the screens and change setpoints. Use the
and arrow keys to change your selections. Then press
to save the new setpoint.
NOTE: When the PREHEAT-X is operating in
Communications Mode, these setpoint screens
will not appear on the LCD display because
they are controlled by the Main Controller.
SET
POINTS
LA SP
XX.X°F
XX.X°C
RST LMT
XX.X°F
XX.X°C
LEAVING AIR TEMPERATURE SETPOINT
Will display only in stand-alone mode. This is the target temperature
while the heating is enabled. If you are using the reset signal, this is the
setpoint it will calculate to at zero volts.
The LA Setpoint is set by the LCD Display in stand-alone mode and is
set by the Main Controller in communicating mode.
Minimum Default Maximum
35°F
1.6°C
70°F
21°C
90°F
32°C
RESET LIMIT SETPOINT
Will display and be used only in stand-alone mode. If Remote Reset is
being utilized, this will be the Leaving Air Setpoint when the Reset Volt-
age Input is at 10VDC.
Minimum Default Maximum
0°F
°C
70°F
°C
120°F
°C
Setpoint Screens
EA EN SP
XX.X°F
XX.X°C
ENTERING AIR ENABLE SETPOINT
This is the temperature at which Preheat is enabled. The Entering Air
Enable Setpoint is set by the LCD Display in stand-alone mode and is
set by the Main Controller in communicating mode.
Minimum Default Maximum
-40°F
-40°C
55°F
12.7°C
90°F
32°C
LA1 CAL
XX.X°F
XX.X°C
LEAVING AIR SENSOR 1 CALIBRATION OFFSET
If the sensor is reading incorrectly, you can use this screen to enter an
offset temperature to adjust the sensor’s temperature. Enter a positive
value to raise the sensor’s temperature or a negative value to lower the
sensor’s temperature.
Minimum Default Maximum
-100.0°F
-55.5°C
0.0°F
0.0°C
100.0°F
55.5°C
LA2 CAL
XX.X°F
XX.X°C
LEAVING AIR SENSOR 2 CALIBRATION OFFSET
If the sensor is reading incorrectly, you can use this screen to enter an
offset temperature to adjust the sensor’s temperature. Enter a positive
value to raise the sensor’s temperature or a negative value to lower the
sensor’s temperature.
Minimum Default Maximum
-100.0°F
-55.5°C
0.0°F
0.0°C
100.0°F
55.5°C